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Articles by R.N. Nwaoguikpe
Total Records ( 3 ) for R.N. Nwaoguikpe
  C.U. Igwe , A.O. Ojiako , J.E. Okwara , A.A. Emejulu and R.N. Nwaoguikpe
  Twenty-four male albino rats, 4 weeks old were randomly distributed into 4 groups (A-D) and fed growers’ mash as the control diet and 25, 50 and 75% oven-dried, ground Macrotermes nigeriensis fortified diets respectively for a total period of 28 days. The effects of the diets on hepatic, renal and haematologic function indices of albino rats were studied. The animals fed the fortified diets had non-significantly (p>0.05) lesser body weight gains than the control animals. The fortified diets elicited dose-dependent increases in the levels of blood total protein, albumin, packed cell volume, hemoglobin and red blood cell counts as well as on the calculated red cell indices. The fortified diets did not significantly (p>0.05) alter the activities of plasma alanine and aspartate aminotransferases as well as the concentrations of total bilirubin, urea and creatinine. The results indicate that the fortified diets do not have detrimental hepatic, renal or haematologic effects but rather may be recommended for fortification of human and animal food, especially in weaning diets of growing children and nursing mothers to combat food insecurity and malnutrition.
  R.N. Nwaoguikpe
  Proximate analysis of dehusked Carica papaya seeds indicated the presence of the following constituents: Ash, 6.0%; fat, 14%; fiber, 18%; protein 23.1% and carbohydrates, 28.6%. Plasma assays of glucose, protein and cholesterol in the blood of birds maintained on the diet were determined and compared with the control. The birds were grouped into A (control), B (Intermediate group) and group C (test group). The parameters assayed exhibited the following results: Group A (190.05±1.61) range 42.70 mg/dl; 6.39±0.15) range 0.80 g/dl and (107.68±12.50), range 42.70 mg/dl; for glucose, protein and cholesterol respectively. For the intermediate group (group B), the following were derived for the parameters: (194.90±1.60) range 3.20 mg/dl; 6.41±0.05 (range 0.4 mg/dl) and 114.13±18.30 (range 25.0 mg/dl). For group C (test group), the following values were derived: 201.75±5.50 (range 19.50 mg/dl) 6.40±0.20 (range 0.80 mg/dl) and 104.98±3.30 (range 14.10 mg/dl) respectively. The average weight gain for the respective groups were: 268±0.18 (range 0.23 kg) for group A; 278±0.04 (range 0.13 kg) for group B and 2.96±0.08 (range 0.34 kg) for group C. The amount of food consumed were as follows: 5.13±1.40 (range 4.5 kg), 6.17±2.60 (range 6.4 kg) and 7.70±3.8 (range 8.8 kg) respectively; while the feed efficiency values were as follows: 0.37±0.03 (range 0.22), 0.33±0.01 (range 0.31) and 0.31±0.06 (range 0.49 respectively. Statistical analysis at p>0.5 indicated no significant difference in the means of the parameters investigated. Dehusked seeds of Carica papaya could be nutritionally, economically and therapeutically beneficial in poultry farming and management.
  R.N. Nwaoguikpe , W. Braide and C.O. Ujowundu
  The effects of processing on the proximate and phytochemical compositions of Mucuna pruriens seed extract were investigated. The proximate analysis of the hulled seeds revealed the following nutrients and antinutrients: Crude lipid (2.69%), crude fiber (3.86%), crude protein (28.23%), ash (5.26%), carbohydrate (60.03%) and moisture content (12.32%). The boiled or cooked samples exhibited the following results: Crude lipid (2.51%), crude fiber (3.83%), protein (22.17%), ash (4.24%), carbohydrate (67.92%) and moisture content (12.32%). After soaking prior to boiling or cooking at 98oC for one hour, the results were: Crude lipid (2.51%), crude fiber (3.81%), protein (22.05%), ash (3.10%), carbohydrate (68.52%) and moisture content (11.92%). Quantitative phytochemical analysis of the raw seed extract indicated: Flavonoids (0.42%), alkaloids (1.07%), saponins (0.47%), tannins (0.28%), hydrogen cyanide (12.69 mg/kg), phenol (2.82%) and phytate (0.43%). The concentrations of the phytochemicals in the boiled samples were as follows: Flavonoids (0.35%), alkaloids (0.88%), saponins (0.39%), tannins (0.09%), hydrogen cyanide (6.59 mg/kg), phenols (0.33%) and phytate (0.24%). The soaked and boiled samples showed the following result: Flavonoids (0.31%), alkaloids (0.88%), saponins (0.37%), tannins (0.08%), hydrogen cyanide (5.54 mg/kg), phenols (0.32%) and phytate (0.22%). The effects of processing involving soaking, soaking and boiling, have remarkable detoxification effect, anti-nutrient and nutrient composition reduction on Mucuna pruriens seeds. The most highly affected anti-nutrient and toxicant in the seed is hydrogen cyanide, which showed a reduction from 12.67 mg/kg for the raw sample to 5.54 mg/kg for the soaked and boiled samples; a reduction of 56.34%. Another anti-nutrient, phytate was reduced by more than 48.84%; phenols from 2.83% to 0.32%, a reduction of 88.69%; we therefore conclude that the effects of processing vis a vis the methods employed, have significant effects in the reduction of the concentrations of the anti-nutrients and toxicants present in the seeds of this under-utilized legume. We recommend that these novel processes be employed by individuals, farmers and food processing companies wishing to include this all important legume as part of family dietary as well as in poultry, animal feeds or in the formulation of diets for the undernourished and low income groups.
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